HomeTechnologyHow to choose the best Linux firewall?

How to choose the best Linux firewall?

Firewalls are a primary line of defense in network security. On one side of the firewall, lie secured and controlled internal networks that will be trusted and on the other side of the wall lie untrusted outside networks, like the web. Firewalls are often hardware, software, or both. A firewall isolates your computer from the internet employing a “wall of code” that evaluates every piece of information or data. Let’s look all about Linux firewall

Finding it can be a bit hard

The firewall works out whether it should be allowed to pass or be blocked. Firewalls have the power to further increase security by enabling granular control over what sorts of system functions and processes have access to networking resources.

These firewalls can use various sorts of signatures and host conditions to permit or deny traffic. Now when talking about network security, it is of supreme importance to install the right Linux firewall. Linux, although it comes with a built-in firewall, it is still advisable to install one for increased safety of the system.

These underlying factors will help you determine the right Linux firewall:

Protection and Prevention from Threats

It is highly imperative for a firewall to inspect any of the applications or users gaining access to your network. This is often an enormous concern today. A next-gen firewall can see and control all of the forms and sensitive information on your wireless network.

This image has an empty alt attribute; its file name is f5.jpg

Therefore consider buying a firewall that will limit traffic and risks to your network by only allowing approved applications to be used. You can even scan these approved applications to make sure there are not any potential threats. It may also help you enhance your Wi-Fi performance by reducing the bandwidth of consumption.

Remote Users

With the inflow in employers permitting remote workers in each industry, employees got to be ready to access your internal network and applications from any location. Whether it’s from home, the library, they ought to be ready to connect and complete their work.

Does the firewall send attack alerts?

While you believe firewalls to stop attacks, it’s equally essential they assist you in recognizing when attacks occur or are ongoing. So, consider buying that firewall solution for Linux, which will send alerts to administrators when major attacks happen. Alerts function reminders to see firewall and router logs, a routine that will help determine the tactic of an attack. 

Thereupon knowledge and, therefore, the right firewall in situ, you’ll quickly mitigate an attack before it results in downtime and loss of revenue.

How strong your vendor’s customer support is?

It’s essential that you have proper support when it involves your firewall. Improper firewall configuration and setup can cause significant issues. If you’ve got a question or are unsure about something in reference to your firewall, there must be a simple procedure to contact the seller.

This image has an empty alt attribute; its file name is f4.png
How to choose the best Linux firewall?


A robust vendor provides the necessary support and resources to assist make sure the security of your network.

Firewalls are an essential part of network topologies and network protection. So take the time to research your options diligently, ask the proper questions, and identify the answer that most closely fits your network infrastructure and security needs.

Website and Spam Filtering

Look for firewalls that have an internet site filter engineered into them. They permit you to dam web sites supported classes and individual website names. Such firewalls can even perform SPAM filtering duties and examine the traffic coming back through your email and make sure that it’s safe to withstand.

So it is better to go with a firewall offering spam filtering.

Antivirus Scanner

Firewalls can even have a built-in antivirus scanner engineered into them. They will scan sites, files, and links to prevent viruses from coming into the network and making issues for the top user. If you have already got a separate antivirus program, you will not want this feature. But if this suits your Linux system, look into this feature once.


The latest firewall innovation is employing a method referred to as sandboxing to forestall access to malicious content. Once a user clicks on a link, the firewall puts a warning to the top user, sends the link to a service that opens the get into a virtual atmosphere and monitors it. If the file or link seems to be malicious, it sends word back to the firewall, blocks the data, and stops it from being downloaded.

With the ever-growing ransomware downside of nowadays, the sandbox is the most significant innovation in security technology that has been seen a few times.

Does the supplier provide smart support?

This is one of the things you should be looking into your Linux firewall before investing in it. Since a firewall may be a crucial part of security, it should be got wind of properly. One mistake and your company may have a serious breach on its hands.
A firewall may be a crucial piece in your configuration. 

Ensure you are doing much analysis, raise the correct queries, and make sure that it fits well into your network infrastructure and security plans.

The cost does matter

Last, however, not least, price is often an essential element once it comes to selecting the proper firewall. It is vital that you don’t see the pricing of the firewall but also whether it’ll match into your budget or not.

This image has an empty alt attribute; its file name is f3.png

We restrain ourselves from buying a good firewall, just thinking about the money involved.  Well, if one thing goes wrong and information is leaked, it will find yourself cost accounting you loads over merely cash. But it is also essential to look into the working of the firewall before investing in it. Just see its efficiency, and if it guarantees ultimate protection to your system, then there is no harm investing in it.

Kavya Gupta
Kavya Gupta
Electronics and Communication engineering student with a peculiar love for writing. I find writing is extremely gratifying and lively work. Creativity and originality are two prime ideologies that I look forward to.



Please enter your comment!
Please enter your name here

Most Popular